What is the strain in a wire cable of original length 50m, whose length increases by 2.5cm. when a load islifted?

What is the strain in a wire cable of original length 50m whose length increases by 2.5cm when a load is lifted?

When a certain weight is suspended from a long uniform wire, its length increases by 1 cm . If the same weight is suspended from another wire of the same material and length but having a diameter half of the first one, the increases in length will be

What is the stress in a wire which is 50 meter long and 0.01cm2 in crosssection, if the wire bears a load of 100 kg?

What is the stress in the wire which is 50 m long and 0.01 cm^2 in cross section, if the wire bears a load of 100 kg

Solve the following problems : What will be the increase in length of a steel rod of length 0.5 m , when its temperature is increased by 60 ⁰C ? The coefficient of linear expansion of steel is 0.000013 ( 1/⁰C) .

Solve the following examples/ numerical problems. Find the heat produced in joule if a current 0.1 A is passed through a coil of resistance 50 ohm. for two minutes . Keeping other conditions the same if the length ofthe wire is reduced 1/4 th of the original length ( by cutting the wire). What will be the heat produced?

The period of oscillations of a simple pendulum increses by 10%, when its length is increased by 21 cm. Find its initial length and initial period.

A copper wire and steel wire both have the same length and radius are joined end to end, when the composite wire is hung from a rigid support, and the load attached at the free end, the increase in the length is found to be 1cm. Find the increase in length of copper steel wire. (Y for copper = 1.2 xx 10^11 N//m^2 , Y for steel = 2.1 xx 10^11 N//m^2)